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Energies 2015, 8(8), 8175-8192; doi:10.3390/en8088175

Comparative Study of Surface Temperature Behavior of Commercial Li-Ion Pouch Cells of Different Chemistries and Capacities by Infrared Thermography

1
Mobility, Logistic and Automotive Technology Research Center (MOBI), Department of Electrical Engineering and Energy Technology (ETEC), Vrije Universiteit Brussel, Pleinlaan 2, Brussel 1050, Belgium
2
Department of Industrial Engineering (INDI), Vrije Universiteit Brussel, Nijverheidskaai 170, Anderlecht 1070, Belgium
*
Author to whom correspondence should be addressed.
Academic Editor: Paul Stewart
Received: 1 May 2015 / Revised: 20 July 2015 / Accepted: 30 July 2015 / Published: 5 August 2015
(This article belongs to the Special Issue Electrical Power and Energy Systems for Transportation Applications)
View Full-Text   |   Download PDF [3688 KB, uploaded 5 August 2015]   |  

Abstract

The non-uniform surface temperature distribution of a battery cell results from complex reactions inside the cell and makes efficient thermal management a challenging task. This experimental work attempts to determine the evolution of surface temperature distribution of three pouch type commercial cells: Nickel Manganese Cobalt oxide (NMC)-based 20 Ah cell, Lithium Iron Phosphate (LFP) 14 Ah, and Lithium Titanate Oxide (LTO) 5 Ah battery cell by using contact thermistor and infrared (IR) thermography. High current (up to 100 A) continuous charge/discharge and high current (80 A) micro pulse cycling profile were applied on the cells. It was found that thermistor based temperature profile varied cell to cell, especially the LTO cell. Among the investigated cells, the NMC cell shows highest temperature rise and the LTO cell the lowest rise. IR (Infrared) images revealed the spatial distribution of surface temperature, in particular the location of the hottest region varies depending not only on the geometrical and material properties of the cell, but also the type of loads applied on the cells. Finally, a modeling perspective of the cell temperature non-uniformity is also discussed. View Full-Text
Keywords: surface temperature; spatial distribution; infrared thermography; NMC; LFP; LTO; thermal management surface temperature; spatial distribution; infrared thermography; NMC; LFP; LTO; thermal management
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Goutam, S.; Timmermans, J.-M.; Omar, N.; Bossche, P.V.; Van Mierlo, J. Comparative Study of Surface Temperature Behavior of Commercial Li-Ion Pouch Cells of Different Chemistries and Capacities by Infrared Thermography. Energies 2015, 8, 8175-8192.

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